javax.realtime
Class MemAreaStack

java.lang.Object
  |
  +--javax.realtime.MemAreaStack

class MemAreaStack

extends java.lang.Object

MemAreaStack can be used to create a tree of MemoryArea references to determine whether a ScopedMemory check fails. This is the same cactus stack that is used to determine which MemoryArea x RealtimeThread MemBlock to enter for the constructor of a .newArray'ed or a newInstance'd object.

Field Summary

javax.realtime.MemoryArea	entry A MemoryArea on the stack
javax.realtime.MemAreaStack	next The "next" pointer for the stack.
javax.realtime.MemoryArea	original A MemoryArea on the stack

Constructor Summary

MemAreaStack(javax.realtime.MemoryArea entry, javax.realtime.MemoryArea original, javax.realtime.MemAreaStack next)
Push the MemoryArea on the cactus stack.

Method Summary

javax.realtime.MemAreaStack	first(javax.realtime.MemoryArea mem) Get the MemAreaStack of the first occurance of the MemoryArea mem, or null if it is not found.
static javax.realtime.MemAreaStack	POP(javax.realtime.MemAreaStack top)
static javax.realtime.MemAreaStack	PUSH(javax.realtime.MemoryArea entry, javax.realtime.MemoryArea original, javax.realtime.MemAreaStack next)
java.lang.String	toString() Dump a description of each MemoryArea on the stack.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

entry

public javax.realtime.MemoryArea entry

A MemoryArea on the stack

original

public javax.realtime.MemoryArea original

A MemoryArea on the stack

next

public javax.realtime.MemAreaStack next

The "next" pointer for the stack.

Constructor Detail

MemAreaStack

public MemAreaStack(javax.realtime.MemoryArea entry,
                    javax.realtime.MemoryArea original,
                    javax.realtime.MemAreaStack next)

Push the MemoryArea on the cactus stack.

Method Detail

PUSH

public static javax.realtime.MemAreaStack PUSH(javax.realtime.MemoryArea entry,
                                               javax.realtime.MemoryArea original,
                                               javax.realtime.MemAreaStack next)

POP

public static javax.realtime.MemAreaStack POP(javax.realtime.MemAreaStack top)

first

public javax.realtime.MemAreaStack first(javax.realtime.MemoryArea mem)

Get the MemAreaStack of the first occurance of the MemoryArea mem, or null if it is not found.

toString

public java.lang.String toString()

Dump a description of each MemoryArea on the stack.

Overrides:

toString in class java.lang.Object